547311993 has 8 divisors (see below), whose sum is σ = 747548256. Its totient is φ = 355975200.

The previous prime is 547311971. The next prime is 547312001. The reversal of 547311993 is 399113745.

547311993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-547311993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (547311953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224723 + ... + 2224968.

It is an arithmetic number, because the mean of its divisors is an integer number (93443532).

Almost surely, 2^547311993 is an apocalyptic number.

It is an amenable number.

547311993 is a deficient number, since it is larger than the sum of its proper divisors (200236263).

547311993 is a wasteful number, since it uses less digits than its factorization.

547311993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449735.

The product of its digits is 102060, while the sum is 42.

The square root of 547311993 is about 23394.7001049383. The cubic root of 547311993 is about 817.9843379294.

The spelling of 547311993 in words is "five hundred forty-seven million, three hundred eleven thousand, nine hundred ninety-three".